Features :

➤ Lower Power Consumption
➤ Integrated High performance Ball Bearing & Bushing
➤ Powerful, High Torque-Up Motor
➤ New Ball Bearing Upgrade
➤ Maximum RPM 27000 r.p.m. ~850 bb/m (M120 / 8.4v)
➤ Application: M90~M160 spring / 280 ~ 550 FPS